Means for casting finger-rings.



P. H. CURL.

MEANS FOR CASTING FINGER RINGS.

APPLICATION FILED MAY 6, 1913.

1, 1 1 5,905, 7 Patented Nov. 3, 1914.

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' fig/JV THE NORRIS PETERS CD., PHOTOL!THO WASHINGTON. D. C,

FRED H. CUR-L, 0F LONG. BEACH, CALIFORNIA.

MEANS FOR CASTING FINGER-RINGS.

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Specification of Lettersiatent.

Patented Nov. 3, 1914.

Application filed May 6, 1913. Serial No. 765,753.

1 b all whom it may concern Be it known that I, FRED I-I. CURL, acitizen of the United States, residing at Long Beach, in the county ofLos Angelcs and State of California, have invented new and usefulImprovements in Means for Casting Finger-Rings, of which the followingis a specification.

This invention relates to casting molds, and more particularly toimproved means for casting finger rings, and theprincipal object is toprovide a separable mold to accommodate a pattern which extends beyondthe sides thereof.

It is a further object to provide a mold for finger rings in which asupport for the core is formed by the pattern upon which theconfiguration of the ring desired is also superimposed.

In the drawings accompanying this specification and forming therewiththe application for Letters Patent: Figure 1 is a sectional detail,partly in elevation and partly in section, of the mold showing the dragfilled with the loam. Fig. 2 is a detail of the drag, showing the methodof filling the latter in inverted position. Fig. 3 is a side elevationof the cope. Fig. 4 is a perspective view of the semicircular pattern tobe used as shown in Fig. 2. Fig. 5 is a detail of the core box. Fig. 6is a longitudinal section through the mold as completed ready forpouring. Fig. 7 is a plan view of a modification showing a plurality offinger ring molds in one drag.

More specifically in the drawings, 8 represents a mold board upon whichthe drag 9 is inverted, having pin sockets l0, and the face providedwith a pair of oppositely disposed recesses cut into the cylindricalwalls of the drag, these semi-circular cuts being of slightly greaterradius than the radius of the outer surface of the semi-circular bridge11, this bridge 11 being provided with a bore through which the pin 14is inserted to provide for the usual pouring hole. The drag is nowfilled with the loam and properly tamped and inverted upon the moldboard, the pin 14 being removed as well as the bridge 11.

The pattern proper is now placed in position in the groove formedtransversely upon the face of the drag, the pattern consisting mainly ofa cylindrical shell or bar 16 upon which is mounted a removable ringpattern 17 conforming to the desired configuration of a ring, eitherBelcher, Tiffany,

signet or plain rings, the cylindrical portion being adapted to receivering patterns of difierent configuration, but of the same internaldiameter or a number of the same. This combined pattern vis now pressedinto the groove so that the lower sectionfof the ring pattern or thatportion oppositelydisposed from those provided to grasp a setting iscompletely formed. The cope 18 is now placed in position over thepattern and the drag pins 19 thereon, registering in the sockets 10 ofthe drag, the cope wallbeing similarly cut out adjacent its facev sothat the seu'ii-circular recesses register with those of the drag andfit over the cylindrical portion 16 of the pattern. The loam is nowtamped in the cope in the usual manner when the two portions ofthe'fiask may be separated and the necessary trimming made.

A core formed in the core box 20 is now placed in position as clearlyshown in Fig. 6, the flash now resting with the base of the cope on themold'board, and the same is ready for pouring of the metal to form thering or rings corresponding to the configuration of the ring pattern,the corebeing of the same diameter as the cylindrical portion of thepattern 16. A stated number of rings may be cast on the one combinedcylindrical pattern core, or a cross formed as shown in Fig. 7 on whicha number of the ring patterns 17 may be placed.

What I claim is:

1. A device for molding objects having a ring configuration, comprisinga cope and drag having a core seat extended through the sides thereof, aremovable pattern to form a seat for a second pattern in said drag, asecond pattern comprising a cylindrical body member, a ring patternembracing said cylindrical body member, said said seat in said dragformed by the first mentioned pattern to form a core-receiving seat inthe cope, whereby the placing of a core within the seat completed by thecylindrical body portion of the second pattern in the-cope and drag willform a space of the desired configuration of the ring pattern.

body member being adapted to be seated in 2. A device for moldingobjects having a ring configuration comprising a cope'and drag having acore seat extendedthrough the sides thereof, a semi-tubular pattern Ihaving an opening therein, a pin mounted in said opening, a patterncomprising a cylindrical body member, and a separable ring patternembracing said cylindrical body member, whereby the placing of a coreWithin the seat formed by the semi-tubular pattern and cylindricalmember will form a space in the mold of the configuration of theseparable ring pattern.

3. A device for molding objects having a ring configuration, comprisinga cope and drag having a cylindrical core seat transversely extendingthrough the abutting edges of said cope and drag, a semi-tubular patternhaving a pin-engaging bore "formed 0nd pattern comprising a cylindricalbody member and a separable ring pattern embracing thereon, a pinextending through the bore in said pattern to form a filler hole, asecsaid cylindrical body member, whereby the placing of a core Withinthe seat formed by the semi-tubular pattern and cylindrical member ofsaid second pattern will form a. space in the mold of the desiredconfiguration of the separable ring pattern.

In witness that I claim the foregoing I have hereunto subscribed my namethis 28th day of April, 1913.

FRED H. CURL.

Witnesses P. KEENE, MARIE BATTEY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents Washington, D. G.

